.pass{
    margin-top: 5px;
    margin-left: 10px;
}
#anuncio{
    float: right;
    margin-top: 20px;
    margin-right: 550px;
    width: 300px;
    height: 100px;
    border: 2px solid black;
    text-align: center;
    color:red;
    background-color: black;
}
#cuadro{
    margin-top: 10px;
    border: 2px solid black;
    width: 280px;
    height: 90px;
    background-color: #FFFFFF; 
}
.campos{
    margin-top: 2px;
    margin-right: 15px;
    float: right;
}
#formulario{
    width: 284px;
    height: 94px;
}